Fuel Line Pulsation Sound

[Retired Bob]

http://sandyblogs.com/techlink/?p=7569

 

"A rattle or ticking sound may be heard coming from the back of the left valve cover on some 2014-2017 Corvette, Silverado, Sierra; 2015-2017 Tahoe, Suburban, Yukon, Escalade; 2016-2017 CTS-V, and Camaro models equipped with the following engines: 6.2L (RPO LT4, LT1, L86); 5.3L (RPO L83); or 4.3L (RPO LV3) It may sound similar to a lifter ticking and may be louder inside the vehicle."

 

Continued with pictures at above link.

 

[silveradosid]

thx bob